as have blood, liver, and nervous system problems, serious allergic reactions, and new or worsening heart failure. before treatment, get tested for tb. tell your doctor if you've been to areas where certain fungal infections are common, and if you've had tb, hepatitis b, are prone to infections, or have flu-like symptoms or sores. don't start humira if you have an infection. raise your expectations. ask your gastroenterologist about humira. with humira, control is possible. welcome back. there's been a growing discussion here at home and overseas about train security following the heroic act of three americans who overpowered a 26-year-old armed moroccan man on friday. >> i just like want the lesson to be learned that basically in times of crisis like that, i would want it to be learned that